Submersible unit for mixing and aeration of industrial effluent or the like



FIG. 1 is a rear elevational view of a submersible unit for mixing and aeration of industrial effluent or the like showing my new design;

FIG. 2 is a right side elevational view thereof, the left side being substantially the same;

FIG. 3 is a top plan view thereof, the bottom being substantially the same; and

FIG. 4 is a front elevational view thereof.

The broken-line showing of portions of the rear of the unit is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a submersible unit for mixing and aeration of industrial effluent or the like, as shown. 